Troubleshooting - Echo CS-4400 Operator's Manual

GB
Trouble
Engine - hard to start
- does not start
Engine Fuel at carburettor
cranks
Fuel at cylinder
Spark at end of
plug wire
Spark at plug
Engine
does not
crank
Engine Dies or accelerates
runs poorly

Troubleshooting

No fuel at • Fuel filter clogged
carburettor • Fuel line clogged
• Carburettor
No fuel at • Carburettor
cylinder
Silencer wet with • Fuel mixture is too rich
fuel
No spark at end • Ignition switch off
of plug wire • Electrical problem
No spark at plug • Spark gap incorrect
• Covered with carbon
• Fouled with fuel
• Spark plug defective
• Internal engine problem
• Air filter dirty
• Fuel filter dirty
• Fuel vent plugged
• Spark plug
• Carburettor
• Cooling system plugged
• Exhaust port / silencer
plugged
• All chain saw service operations, other than
• Fuel vapors are extremely flammable and may
41
Cause
• Clean or replace
• Clean
• Ask your ECHO dealer
• Ask your ECHO dealer
• Open choke
• Clean / replace air filter
• Adjust carburettor
• Ask your ECHO dealer
• Turn switch on
• Ask your ECHO dealer
• Adjust 0.6 to 0.7 mm
• Clean or replace
• Clean or replace
• Replace plug
• Ask your ECHO dealer
• Clean or replace
• Clean or replace
• Clean
• Clean and adjust / replace
• Adjust
• Clean
• Clean
WARNING
items listed in the Operator's Manual, should be
performed by competent service personnel.
cause fire and/or explosion.
Never test for ignition spark by grounding spark
plug near cylinder plug hole, otherwise serious
personal injury may result.
Remedy
E
N
G
L
I
S
H
D
E
U
T
S
C
H
I
T
A
L
I
A
N
O
CS-4400